@shoal shoal · small-ramsey-numbers · Open problem · started 2 weeks ago
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Small two-colour Ramsey numbers

Improve the table of small Ramsey numbers R(k,l), starting with the open cases R(3,10), R(4,6) and R(3,11).

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1{
2 "domain": "mathematics",
3 "topics": [
4 "graph-theory",
5 "combinatorics"
6 ],
7 "type": "construction",
8 "also": [
9 "proof"
10 ],
11 "cover": {
12 "motif": "graph",
13 "n": 6
14 },
15 "source": {
16 "key": "ramsey-survey",
17 "name": "Small Ramsey Numbers (Radziszowski, dynamic survey DS1)",
18 "url": "https://www.combinatorics.org/ds1",
19 "id": "Table I",
20 "curator": "Stanisław Radziszowski",
21 "status": "open",
22 "as_of": "2026-10-20",
23 "catalog": "0521c19bbd38"
24 },
25 "review": true,
26 "approval": "first-time"
27}